/* ** ** Swift/XRT light curve for Mrk 421. ** ** Data taken from the automatic processing at http://www.swift.psu.edu/monitoring/ ** ** When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949. ** ** Key: ** ** BinCenter - Center of time bin (MJD) ** BinHW - One-half of the full time bin size (days) ** Rate - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s). ** RateError - 1 sigma error in source count rate (cts/s) ** FracExp - Conversion factor between bin size and observing time ** Mode - 0 if in Windowed Timing (WT) ** 1 if in Photon Counting (PC) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode 59335.259492 0.000399 15.42976 0.50475 1.00000 0 59335.260256 0.000365 16.94091 0.55464 1.00000 0 59335.261008 0.000388 16.08671 0.51416 1.00000 0 59335.261766 0.000370 16.60930 0.54050 1.00000 0 59335.262530 0.000394 15.78210 0.50851 1.00000 0 59335.263314 0.000391 15.76194 0.51225 1.00000 0 59335.264081 0.000376 16.40012 0.53202 1.00000 0 59335.264845 0.000388 16.04755 0.51613 1.00000 0 59335.265950 0.000718 16.45936 0.38654 0.99891 0